US6699383B2 - Method for determining a NOx concentration - Google Patents
Method for determining a NOx concentration Download PDFInfo
- Publication number
- US6699383B2 US6699383B2 US10/156,483 US15648302A US6699383B2 US 6699383 B2 US6699383 B2 US 6699383B2 US 15648302 A US15648302 A US 15648302A US 6699383 B2 US6699383 B2 US 6699383B2
- Authority
- US
- United States
- Prior art keywords
- measurement
- nox concentration
- oxygen
- pump current
- air ratio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4073—Composition or fabrication of the solid electrolyte
- G01N27/4074—Composition or fabrication of the solid electrolyte for detection of gases other than oxygen
Abstract
Description
Claims (5)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19956822 | 1999-11-25 | ||
DE19956822A DE19956822B4 (en) | 1999-11-25 | 1999-11-25 | Method for determining the NOx concentration |
DE19956822.7 | 1999-11-25 | ||
PCT/DE2000/004128 WO2001038864A2 (en) | 1999-11-25 | 2000-11-22 | Method for determining nox concentration |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2000/004128 Continuation WO2001038864A2 (en) | 1999-11-25 | 2000-11-22 | Method for determining nox concentration |
Publications (2)
Publication Number | Publication Date |
---|---|
US20020179458A1 US20020179458A1 (en) | 2002-12-05 |
US6699383B2 true US6699383B2 (en) | 2004-03-02 |
Family
ID=7930341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/156,483 Expired - Lifetime US6699383B2 (en) | 1999-11-25 | 2002-05-28 | Method for determining a NOx concentration |
Country Status (6)
Country | Link |
---|---|
US (1) | US6699383B2 (en) |
EP (1) | EP1232391A2 (en) |
JP (1) | JP4746239B2 (en) |
KR (1) | KR100754535B1 (en) |
DE (1) | DE19956822B4 (en) |
WO (1) | WO2001038864A2 (en) |
Cited By (64)
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US20050051427A1 (en) * | 2003-07-23 | 2005-03-10 | Brauker James H. | Rolled electrode array and its method for manufacture |
US20050056552A1 (en) * | 2003-07-25 | 2005-03-17 | Simpson Peter C. | Increasing bias for oxygen production in an electrode system |
US20050143635A1 (en) * | 2003-12-05 | 2005-06-30 | Kamath Apurv U. | Calibration techniques for a continuous analyte sensor |
US20050154271A1 (en) * | 2003-11-19 | 2005-07-14 | Andrew Rasdal | Integrated receiver for continuous analyte sensor |
US20050181012A1 (en) * | 2004-01-12 | 2005-08-18 | Sean Saint | Composite material for implantable device |
US20050182451A1 (en) * | 2004-01-12 | 2005-08-18 | Adam Griffin | Implantable device with improved radio frequency capabilities |
US20050192557A1 (en) * | 2004-02-26 | 2005-09-01 | Dexcom | Integrated delivery device for continuous glucose sensor |
US20050245799A1 (en) * | 2004-05-03 | 2005-11-03 | Dexcom, Inc. | Implantable analyte sensor |
US20060015020A1 (en) * | 2004-07-06 | 2006-01-19 | Dexcom, Inc. | Systems and methods for manufacture of an analyte-measuring device including a membrane system |
US20060200022A1 (en) * | 2003-04-04 | 2006-09-07 | Brauker James H | Optimized sensor geometry for an implantable glucose sensor |
US20060222566A1 (en) * | 2003-08-01 | 2006-10-05 | Brauker James H | Transcutaneous analyte sensor |
US20060258929A1 (en) * | 2005-03-10 | 2006-11-16 | Goode Paul V Jr | System and methods for processing analyte sensor data for sensor calibration |
US20080030738A1 (en) * | 1997-02-04 | 2008-02-07 | Biacore Ab | Analytical method and apparatus |
US20080194935A1 (en) * | 2004-07-13 | 2008-08-14 | Dexcom, Inc. | Transcutaneous analyte sensor |
US20080208025A1 (en) * | 1997-03-04 | 2008-08-28 | Dexcom, Inc. | Low oxygen in vivo analyte sensor |
US20080262469A1 (en) * | 2004-02-26 | 2008-10-23 | Dexcom. Inc. | Integrated medicament delivery device for use with continuous analyte sensor |
US7657297B2 (en) | 2004-05-03 | 2010-02-02 | Dexcom, Inc. | Implantable analyte sensor |
US7783333B2 (en) | 2004-07-13 | 2010-08-24 | Dexcom, Inc. | Transcutaneous medical device with variable stiffness |
US7792562B2 (en) | 1997-03-04 | 2010-09-07 | Dexcom, Inc. | Device and method for determining analyte levels |
US7857760B2 (en) | 2004-07-13 | 2010-12-28 | Dexcom, Inc. | Analyte sensor |
US7860544B2 (en) | 1998-04-30 | 2010-12-28 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US7896809B2 (en) | 2003-07-25 | 2011-03-01 | Dexcom, Inc. | Dual electrode system for a continuous analyte sensor |
US7905833B2 (en) | 2004-07-13 | 2011-03-15 | Dexcom, Inc. | Transcutaneous analyte sensor |
US7920907B2 (en) | 2006-06-07 | 2011-04-05 | Abbott Diabetes Care Inc. | Analyte monitoring system and method |
US20110146379A1 (en) * | 2008-08-18 | 2011-06-23 | Muammer Kilinc | Method and Device for Examining an Exhaust Gas Sensor |
US7976778B2 (en) | 2001-04-02 | 2011-07-12 | Abbott Diabetes Care Inc. | Blood glucose tracking apparatus |
US8052601B2 (en) | 2003-08-01 | 2011-11-08 | Dexcom, Inc. | System and methods for processing analyte sensor data |
US8155723B2 (en) | 1997-03-04 | 2012-04-10 | Dexcom, Inc. | Device and method for determining analyte levels |
US8160669B2 (en) | 2003-08-01 | 2012-04-17 | Dexcom, Inc. | Transcutaneous analyte sensor |
USRE43399E1 (en) | 2003-07-25 | 2012-05-22 | Dexcom, Inc. | Electrode systems for electrochemical sensors |
US8229535B2 (en) | 2008-02-21 | 2012-07-24 | Dexcom, Inc. | Systems and methods for blood glucose monitoring and alert delivery |
US8275437B2 (en) | 2003-08-01 | 2012-09-25 | Dexcom, Inc. | Transcutaneous analyte sensor |
US8280475B2 (en) | 2004-07-13 | 2012-10-02 | Dexcom, Inc. | Transcutaneous analyte sensor |
US8290559B2 (en) | 2007-12-17 | 2012-10-16 | Dexcom, Inc. | Systems and methods for processing sensor data |
US8287454B2 (en) | 1998-04-30 | 2012-10-16 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US8346337B2 (en) | 1998-04-30 | 2013-01-01 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US8396528B2 (en) | 2008-03-25 | 2013-03-12 | Dexcom, Inc. | Analyte sensor |
US8417312B2 (en) | 2007-10-25 | 2013-04-09 | Dexcom, Inc. | Systems and methods for processing sensor data |
US8465425B2 (en) | 1998-04-30 | 2013-06-18 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US8509871B2 (en) | 2001-07-27 | 2013-08-13 | Dexcom, Inc. | Sensor head for use with implantable devices |
US8527026B2 (en) | 1997-03-04 | 2013-09-03 | Dexcom, Inc. | Device and method for determining analyte levels |
US8560039B2 (en) | 2008-09-19 | 2013-10-15 | Dexcom, Inc. | Particle-containing membrane and particulate electrode for analyte sensors |
US8565848B2 (en) | 2004-07-13 | 2013-10-22 | Dexcom, Inc. | Transcutaneous analyte sensor |
US8562558B2 (en) | 2007-06-08 | 2013-10-22 | Dexcom, Inc. | Integrated medicament delivery device for use with continuous analyte sensor |
US8612159B2 (en) | 1998-04-30 | 2013-12-17 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US8622905B2 (en) | 2003-08-01 | 2014-01-07 | Dexcom, Inc. | System and methods for processing analyte sensor data |
US8652043B2 (en) | 2001-01-02 | 2014-02-18 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US8688188B2 (en) | 1998-04-30 | 2014-04-01 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US8792955B2 (en) | 2004-05-03 | 2014-07-29 | Dexcom, Inc. | Transcutaneous analyte sensor |
US8974386B2 (en) | 1998-04-30 | 2015-03-10 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US9066695B2 (en) | 1998-04-30 | 2015-06-30 | Abbott Diabetes Care Inc. | Analyte monitoring device and methods of use |
US9080489B2 (en) | 2010-05-25 | 2015-07-14 | Isuzu Motors Limited | Selective catalytic reduction system |
US9135402B2 (en) | 2007-12-17 | 2015-09-15 | Dexcom, Inc. | Systems and methods for processing sensor data |
US9155496B2 (en) | 1997-03-04 | 2015-10-13 | Dexcom, Inc. | Low oxygen in vivo analyte sensor |
US9451910B2 (en) | 2007-09-13 | 2016-09-27 | Dexcom, Inc. | Transcutaneous analyte sensor |
US9724028B2 (en) | 2006-02-22 | 2017-08-08 | Dexcom, Inc. | Analyte sensor |
US9757061B2 (en) | 2006-01-17 | 2017-09-12 | Dexcom, Inc. | Low oxygen in vivo analyte sensor |
US9986942B2 (en) | 2004-07-13 | 2018-06-05 | Dexcom, Inc. | Analyte sensor |
US10653835B2 (en) | 2007-10-09 | 2020-05-19 | Dexcom, Inc. | Integrated insulin delivery system with continuous glucose sensor |
US10813577B2 (en) | 2005-06-21 | 2020-10-27 | Dexcom, Inc. | Analyte sensor |
US11331022B2 (en) | 2017-10-24 | 2022-05-17 | Dexcom, Inc. | Pre-connected analyte sensors |
US11350862B2 (en) | 2017-10-24 | 2022-06-07 | Dexcom, Inc. | Pre-connected analyte sensors |
US11399745B2 (en) | 2006-10-04 | 2022-08-02 | Dexcom, Inc. | Dual electrode system for a continuous analyte sensor |
US11633133B2 (en) | 2003-12-05 | 2023-04-25 | Dexcom, Inc. | Dual electrode system for a continuous analyte sensor |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10211781B4 (en) * | 2002-03-16 | 2004-08-12 | Innecken Elektrotechnik Gmbh & Co. Kg | Method and device for monitoring and regulating the operation of an internal combustion engine with reduced NOx emissions |
DE102004016986B3 (en) * | 2004-04-02 | 2005-10-06 | Siemens Ag | Apparatus and method for measuring a plurality of exhaust gas constituents |
DE102005056515A1 (en) * | 2005-11-28 | 2007-05-31 | Robert Bosch Gmbh | Gas mixture, e.g. exhaust gas, composition recognition, for broadband lambda probe, involves modulating mixture in chamber for recognition of composition, and changing air ratio in chamber to change sensitivity of sensor for two gases |
JP4874282B2 (en) * | 2008-03-20 | 2012-02-15 | 株式会社デンソー | Gas sensor control device |
JP5195615B2 (en) * | 2009-04-23 | 2013-05-08 | トヨタ自動車株式会社 | Gas concentration detector |
JP4894889B2 (en) | 2009-06-16 | 2012-03-14 | トヨタ自動車株式会社 | NOX sensor correction method and NOX sensor |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0810430A2 (en) | 1996-05-31 | 1997-12-03 | Ngk Spark Plug Co., Ltd | A sensor and method for measuring nitrogen oxide concentration |
US5736028A (en) | 1993-11-08 | 1998-04-07 | Ab Volvo | Sensor and method for detecting oxides of nitrogen |
US5780710A (en) * | 1996-05-30 | 1998-07-14 | Ngk Insulators, Ltd. | Gas analyzer and method of calibrating said gas analyzer |
EP0859232A2 (en) | 1997-02-13 | 1998-08-19 | Ngk Spark Plug Co., Ltd | Apparatus for detecting concentration of nitrogen oxide |
EP0878709A2 (en) * | 1997-03-21 | 1998-11-18 | NGK Spark Plug Co. Ltd. | Method and apparatus for measuring NOx gas concentration |
US6082176A (en) * | 1997-06-13 | 2000-07-04 | Ngk Spark Plug Co., Ltd. | NOx-concentration detecting apparatus |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3587282B2 (en) * | 1996-05-31 | 2004-11-10 | 日本特殊陶業株式会社 | Nitrogen oxide concentration detector |
JP3338318B2 (en) * | 1996-11-29 | 2002-10-28 | 日本特殊陶業株式会社 | NOx gas concentration detector |
JP3519228B2 (en) * | 1996-12-18 | 2004-04-12 | 日本特殊陶業株式会社 | NOx gas concentration detector |
JP3328565B2 (en) * | 1996-12-02 | 2002-09-24 | 日本特殊陶業株式会社 | NOx gas concentration detector |
JP3431822B2 (en) * | 1997-02-13 | 2003-07-28 | 日本特殊陶業株式会社 | Nitrogen oxide concentration detector |
JP3621827B2 (en) * | 1997-05-02 | 2005-02-16 | 日本特殊陶業株式会社 | Method and apparatus for measuring nitrogen oxide concentration |
DE19819462A1 (en) * | 1998-04-30 | 1999-11-11 | Siemens Ag | Method for determining the NOx concentration |
-
1999
- 1999-11-25 DE DE19956822A patent/DE19956822B4/en not_active Expired - Lifetime
-
2000
- 2000-11-22 EP EP00989790A patent/EP1232391A2/en not_active Withdrawn
- 2000-11-22 KR KR1020027006735A patent/KR100754535B1/en active IP Right Grant
- 2000-11-22 WO PCT/DE2000/004128 patent/WO2001038864A2/en not_active Application Discontinuation
- 2000-11-22 JP JP2001540362A patent/JP4746239B2/en not_active Expired - Lifetime
-
2002
- 2002-05-28 US US10/156,483 patent/US6699383B2/en not_active Expired - Lifetime
Patent Citations (6)
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US5736028A (en) | 1993-11-08 | 1998-04-07 | Ab Volvo | Sensor and method for detecting oxides of nitrogen |
US5780710A (en) * | 1996-05-30 | 1998-07-14 | Ngk Insulators, Ltd. | Gas analyzer and method of calibrating said gas analyzer |
EP0810430A2 (en) | 1996-05-31 | 1997-12-03 | Ngk Spark Plug Co., Ltd | A sensor and method for measuring nitrogen oxide concentration |
EP0859232A2 (en) | 1997-02-13 | 1998-08-19 | Ngk Spark Plug Co., Ltd | Apparatus for detecting concentration of nitrogen oxide |
EP0878709A2 (en) * | 1997-03-21 | 1998-11-18 | NGK Spark Plug Co. Ltd. | Method and apparatus for measuring NOx gas concentration |
US6082176A (en) * | 1997-06-13 | 2000-07-04 | Ngk Spark Plug Co., Ltd. | NOx-concentration detecting apparatus |
Non-Patent Citations (3)
Title |
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"Performance of Thick Film NOx Sensor on Diesel and Gasoline Engines" (Kato et al.), Society of Automotive Engineers, Publication 97058, 1997, pp. 199-206. |
"Thick Film ZrO2NOx Sensor for the Measuremen of Low NOx Concentration" (Kato et al.), Society of Automotive Engineers, Publication 980170, 1998, pp. 69-77. |
Wiedenmann et al "Automotive Electronics Handbook", Chapter 6 "Exhaust Gas Sensors", pp. 6.1-6.23, 1995.* * |
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US11350862B2 (en) | 2017-10-24 | 2022-06-07 | Dexcom, Inc. | Pre-connected analyte sensors |
US11331022B2 (en) | 2017-10-24 | 2022-05-17 | Dexcom, Inc. | Pre-connected analyte sensors |
US11943876B2 (en) | 2017-10-24 | 2024-03-26 | Dexcom, Inc. | Pre-connected analyte sensors |
Also Published As
Publication number | Publication date |
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JP4746239B2 (en) | 2011-08-10 |
DE19956822A1 (en) | 2001-06-07 |
EP1232391A2 (en) | 2002-08-21 |
WO2001038864A2 (en) | 2001-05-31 |
WO2001038864A3 (en) | 2002-02-14 |
US20020179458A1 (en) | 2002-12-05 |
DE19956822B4 (en) | 2004-01-29 |
KR20020060760A (en) | 2002-07-18 |
JP2003515166A (en) | 2003-04-22 |
KR100754535B1 (en) | 2007-09-04 |
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